Mechanism for lossless tracing in an arbitrary context

Details Mechanism for lossless tracing in an arbitrary context Mechanism for lossless tracing in an arbitrary context

2007-12-04

2007-12-04

Vo, Ted T. (Department: 2191)

Data processing: software development, installation, and managem

Software program development tool

Testing or debugging

C717S129000, C717S130000

Reexamination Certificate

active

10713411

ABSTRACT:
A method for tracing an instrumented program, including triggering a probe in the instrumented program, obtaining an original instruction associated with the probe, loading the original instruction into a scratch space, and executing the original instruction in the scratch space using the thread, wherein executing the original instruction results in placing the instrumented program in a state equivalent to natively executing the original instruction.

REFERENCES:
Tamches, “Fine-Grained Dynamic Instrumentation of Commodity Operating System Kernels”, University of Wisconsin, pp. 1-141, 2001.
Uhlig et al., “Trace-Driven Memory Simulation: A Survey”, ACM, pp. 128-169, Jun. 1997.
Richard Moore, et al.; “IBM Dynamic Probes”; http://www-124.ibm.com/developerworks/opensource/linux/projects/dprobes/README, 2000.

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